<script setup lang="ts">
import { uploadAPI } from '@/apis/common';
import { createRentAPI, delEnterpriseAPI, delRentAPI, getEnterpriseListAPI, getRentBuildListAPI, getRentListAPI, outRentAPI } from '@/apis/enterprise';
import type { Datum, Enterprise, EnterpriseListParams, RentBuilding, RentParams } from '@/types/enterprise';
import { ElMessage, ElMessageBox, rowContextKey, type FormInstance, type FormRules, type UploadFile, type UploadRawFile, type UploadRequestOptions, type UploadUserFile } from 'element-plus';
import { options } from 'node_modules/axios/index.cjs';
import AuthBtn from '@/layouts/components/AuthBtn.vue';
import { ref, watch } from 'vue';
import { useRouter } from 'vue-router';
const router = useRouter()
const params = ref<EnterpriseListParams>({
  page: 1,
  pageSize:2,
  name: ''
})
// 前端自定义的类型，用于展示嵌套表格
interface EnterpriseWithRent extends Enterprise {
  // 合同列表
  rentList: Datum[]
}
// 定义空数组获取企业列表
const list = ref<EnterpriseWithRent[]>([])
// 定义一个变量获取企业总数
const total = ref(0)
// 获取企业列表
const getList = async()=>{
  const res =  await getEnterpriseListAPI(params.value)
  // map 映射数据用于前端展示
  list.value = res.data.rows.map(item => ({
    ...item,
    rentList: [] // 合同列表默认值，用于嵌套表格渲染
  }))
  total.value = res.data.total
}
// 查询企业
const onSearch = async()=>{
  // 重新获取数据
  params.value.page = 1
  getList()
}
getList()
// 编辑企业
const editRent = (id: string) => {
  router.push({
    path: '/exterpriseAdd',
    query: {
      id
    }
  })
}
// 删除企业
const delEnterprise = async(id: string)=>{
  // 删除属于危险操作，需要二次弹窗确认
  ElMessageBox.confirm(
    '是否删除该企业？', // 内容
    '温馨提示', // 标题
    {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning', // 图标类型
    }
  ).then(async ()=>{
    await delEnterpriseAPI(id)
    ElMessage.success('删除成功')
    getList()
  })
}

// 添加合同业务
const rentDialogVisible = ref(false)// 控制弹窗的显示与隐藏
// 准备表单数据
const rentForm = ref<RentParams>({
  buildingId: undefined,
  startTime: '', 
  endTime: '',
  contractUrl: '',
  contractId: undefined,
  type: 0, // 操作类型，添加合同0，续签合同1
  enterpriseId: undefined
})
// 表单校验规则
const rentFormRules = ref<FormRules<RentParams>>({
  buildingId: [
    { required: true, message: '请选择楼宇', trigger: 'change' }
  ],
  endTime: [
    { required: true, message: '请选择租赁日期', trigger: 'blur' }
  ],
  contractId: [
    { required: true, message: '请上传合同文件' }
  ]

})
// 定义空数组接收下拉框数据
const buildList = ref<RentBuilding[]>([])
// 打开
const addRent = async (id:number)=>{
  rentDialogVisible.value = true
  const res = await getRentBuildListAPI()
  buildList.value = res.data
  // 保存企业id，用于添加合同
  rentForm.value.enterpriseId = id
}
// 关闭
const closeDialog = ()=>{
  rentDialogVisible.value = false
  // closeRent()
}
const fileList = ref<UploadUserFile[]>([])
// 添加合同-关闭弹窗
const closeRent = () => {
  // 关闭弹窗
  rentDialogVisible.value = false
  // 重置表单校验(前端)
  addFormRef.value?.resetFields()
  // 重置日期选择器数据(前端)
  timeArr.value = []
  // 重置文件列表(前端)
  fileList.value = []
  // 重置提交给后端的表单数据(后端)
  rentForm.value = {
    buildingId: undefined,
    startTime: '',
    endTime: '',
    contractUrl: '',
    contractId: undefined,
    type: 0, // 重置为添加类型
    enterpriseId: undefined
  }
}

// 日期选择器 禁止选择当天前的日期
// disabled-date	  	
// 一个用来判断该日期是否被禁用的函数，接受一个 Date 对象作为参数。 应该返回一个 Boolean 值
const disabledDate = (time: Date) => {
  return time.getTime() <= Date.now() - 1000*60*60*24
}
// 监听时间变化
const timeArr  = ref<string[]>([])
watch(timeArr,(val)=>{
  if (val) {
    rentForm.value.startTime = val[0]
    rentForm.value.endTime = val[1]
  } else {
    rentForm.value.startTime = ''
    rentForm.value.endTime = ''
  }
},{deep: true})
// 上传合同
const addFormRef = ref<FormInstance>()
// UploadRequestOptions
const onUploadRequest = async(options:UploadRequestOptions)=>{
  // 准备formdata对象
  const fd = new FormData()
  fd.append('file', options.file) // 文件对象
  fd.append('type', 'contract') // 上传类型，1、企业营业执照 businessLicense 2、租赁合同附件 contract
  const res = await uploadAPI(fd)
  // 保存合同url id
  rentForm.value.contractUrl = res.data.url
  rentForm.value.contractId = res.data.id
  // 触发校验
  addFormRef.value?.validateField('contractId')
  return res.data
}
// 删除合同文件
const removeUpload = () => {
  // 清空数据
  rentForm.value.contractUrl = ''
  rentForm.value.contractId = undefined
  // 触发校验
  addFormRef.value?.validateField('contractId')
} 
// 上传前限制文件大小
const beforeUpload = (rawFile:UploadRawFile)=>{
  const maxSize = 5 * 1024 * 1024
  if(rawFile.size > maxSize){
    ElMessage.error('上传文件不能大于5M')
    return false
  }
  return true
}
// 添加合同 点击确定按钮 发送请求
const addRentConfirm = async()=>{
  try {
    await addFormRef.value?.validate()
    await createRentAPI(rentForm.value)
    ElMessage.success('添加成功')
    // rentDialogVisible.value = false
    closeRent()
  } catch {
    
  }
}
// 展开行时触发
const onExpandChange = async (row: EnterpriseWithRent) => {
  // 获取企业的合同列表
  const res = await getRentListAPI(row.id)
  console.log('当前行被展开', res)
  // 把请求回来的数据，直接保存到当前行的企业信息中
  row.rentList = res.data
}
// 退租合同
const outRent = (row:Datum)=>{
  ElMessageBox.confirm(
    '是否退租该合同？', // 内容
    '温馨提示', // 标题
    {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning', // 图标类型
    }
  ).then(async ()=>{
    await outRentAPI(row.id)
    row.status = 3
    ElMessage.success('退租成功')
    
  }).catch(()=>{})
}
// 删除合同
const delRent = async (sonRow:Datum,fatherRow:EnterpriseWithRent) => {
 ElMessageBox.confirm(
    '是否删除该合同？', // 内容
    '温馨提示', // 标题
    {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning', // 图标类型
    }
  ).then(async ()=>{
    // 发送请求给后端
    await delRentAPI(sonRow.id)
    // 删除成功，过滤当前行的数据
    fatherRow.rentList = fatherRow.rentList.filter((item)=>item.id !== sonRow.id)
    ElMessage.success('删除成功')
  }).catch(()=>{})
  
}
// 续租方法
const renewRent = async (row: Datum) => {
  rentDialogVisible.value = true
  // 获取可租赁楼宇列表
  const res = await getRentBuildListAPI()
  buildList.value = res.data
  
  // 回显数据
  rentForm.value = {
    buildingId: row.buildingId,
    startTime: '', // 新的开始时间
    endTime: '', // 新的结束时间
    contractUrl: '',
    contractId: undefined,
    type: 1, // 续租类型为1
    enterpriseId: row.enterpriseId
  }
  
  // 重置文件列表
  fileList.value = []
}
</script>
<template>
  <div class="building-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <div class="search-label">企业名称：</div>
      <el-input v-model="params.name" clearable placeholder="请输入企业名称" class="search-main" />
      <el-button @click="onSearch()" type="primary">查询</el-button>
    </div>
    <div class="create-container">
      <el-button v-auth="'park:enterprise:add_edit'" @click="$router.push('/exterpriseAdd')" type="primary">添加企业</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table style="width: 100%" :data="list"  @expand-change="onExpandChange" row-key="id">
        <el-table-column type="expand">
          <template #default="{row}">
            <el-table :data="row.rentList">
              <el-table-column label="租赁楼宇" width="320" prop="buildingName" />
              <el-table-column label="租赁起始时间" prop="startTime" />
              <el-table-column label="合同状态" prop="status" > 
                <template #default="{row}">
                  <!-- 合同的租赁状态 0待生效 1生效中 2已到期 3已退租 -->
                  <el-tag v-if="row.status === 0" type="warning">待生效</el-tag>
                  <el-tag v-else-if="row.status === 1"  type="success">生效中</el-tag>
                  <el-tag v-else-if="row.status === 2" type="info">已到期</el-tag>
                  <el-tag v-else-if="row.status === 3" type="danger">已退租</el-tag>
                </template>
              </el-table-column>
              <el-table-column label="操作" width="280">
                <template #default="{row: sonRow}">
                  <el-button 
                    @click="renewRent(sonRow)" 
                    size="small" 
                    type="primary" link 
                    :disabled="sonRow.status !== 1"
                  >续租</el-button>
                  <el-button @click="outRent(sonRow)" size="small" type="primary" link :disabled="sonRow.status === 3">退租</el-button>
                  <el-button @click="delRent(sonRow,row)" size="small" type="primary" link :disabled="sonRow.status !== 3">删除</el-button>
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-table-column>
        <el-table-column type="index" label="序号" width="120" />
        <el-table-column prop="name" label="企业名称" width="320" />
        <el-table-column prop="contact" label="联系人" />
        <el-table-column prop="contactNumber" label="联系电话" />
        <el-table-column label="操作" width="280">
          <template v-slot ="{row}">
            <AuthBtn btn-perm="park:rent:add_surrender">
              <el-button size="small" type="primary" link @click="addRent(row.id)">添加合同</el-button>
            </AuthBtn>
            <el-dialog title="添加合同" 
            v-model="rentDialogVisible" 
            width="580px" 
            @close="closeRent">
              <div class="form-container" title="添加合同">
                <!-- 表单区域 -->
                <el-form ref="addFormRef" label-position="top" :model="rentForm" :rules="rentFormRules" label-width="80px">
                  <el-form-item label="租赁楼宇" prop="buildingId" >
                    <el-select v-model="rentForm.buildingId" placeholder="请选择" clearable>
                      <el-option v-for="item in buildList" :key="item.id" :label="item.name" :value="item.id" />
                    </el-select>
                  </el-form-item>
                  <el-form-item label="租赁起止日期" prop="endTime">
                    <el-date-picker 
                    v-model="timeArr" 
                    type="daterange" 
                    range-separator="至" start-placeholder="开始日期"
                    end-placeholder="结束日期" value-format="YYYY-MM-DD" 
                    :disabled-date="disabledDate"
                    />
                  </el-form-item>
                  <el-form-item label="租赁合同" prop="contractId">
                    <el-upload accept=".doc, .pdf"
                    :http-request="onUploadRequest"
                    @remove="removeUpload"
                    :before-upload="beforeUpload"
                    v-model:file-list="fileList"
                    >
                      <el-button size="small" type="primary" plain>上传合同文件</el-button>
                      <template #tip>
                        <div class="el-upload__tip">支持扩展名：.doc .pdf, 文件大小不超过5M</div>
                      </template>
                    </el-upload>
                  </el-form-item>
                  <!-- {{ rentForm }}
                  {{ timeArr }} -->
                </el-form>
              </div>
              <template #footer>
                <el-button size="small" @click="closeDialog">取 消</el-button>
                <el-button @click="addRentConfirm" size="small" type="primary">确 定</el-button>
              </template>
            </el-dialog>
            <el-button @click="router.push(`/exterpriseDetail/${row.id}`)" size="small" type="primary" link>查看</el-button>
            <el-button v-auth="'park:enterprise:add_edit'" @click="editRent(row.id)" size="small" type="primary" link>编辑</el-button>
            <AuthBtn btn-perm="park:enterprise:remove">
              <el-button size="small" type="primary" link>删除</el-button>
            </AuthBtn>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <div class="page-container">
      <el-pagination 
      :total="total"
      :page-sizes="[1, 2, 3,  5, 10]"
       v-model:page-size="params.pageSize"
       layout="total, sizes, prev, pager, next, jumper"
       v-model:current-page="params.page"
       @change="getList()"
        />
    </div>
  </div>
</template>

<style lang="scss" scoped>
.building-container {
  padding: 20px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  ;
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}

.create-container {
  margin: 10px 0px;
}

.page-container{
  padding: 4px 0;
  display: flex;
  justify-content: flex-end;
}

.form-container {
  padding: 0px 80px;
}
</style>